blob: 94f41c92598866d4aaef7e8a1162a7de304aa3c9 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
|
error[E0277]: the type `UnsafeCell<i32>` may contain interior mutability and a reference may not be safely transferrable across a catch_unwind boundary
--> $DIR/interior-mutability.rs:5:18
|
LL | catch_unwind(|| { x.set(23); });
| ------------ ^^^^^^^^^^^^^^^^^ `UnsafeCell<i32>` may contain interior mutability and a reference may not be safely transferrable across a catch_unwind boundary
| |
| required by a bound introduced by this call
|
= help: within `Cell<i32>`, the trait `RefUnwindSafe` is not implemented for `UnsafeCell<i32>`
= note: required because it appears within the type `Cell<i32>`
= note: required for `&Cell<i32>` to implement `UnwindSafe`
note: required because it's used within this closure
--> $DIR/interior-mutability.rs:5:18
|
LL | catch_unwind(|| { x.set(23); });
| ^^
note: required by a bound in `catch_unwind`
--> $SRC_DIR/std/src/panic.rs:LL:COL
|
LL | pub fn catch_unwind<F: FnOnce() -> R + UnwindSafe, R>(f: F) -> Result<R> {
| ^^^^^^^^^^ required by this bound in `catch_unwind`
error: aborting due to previous error
For more information about this error, try `rustc --explain E0277`.
|
